mirror of https://github.com/gnss-sdr/gnss-sdr
141 lines
5.9 KiB
C++
141 lines
5.9 KiB
C++
/*!
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* \file gps_ephemeris.h
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* \brief Interface of a GPS EPHEMERIS storage
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* \author Javier Arribas, 2013. jarribas(at)cttc.es
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*
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* -----------------------------------------------------------------------------
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*
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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -----------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_GPS_EPHEMERIS_H
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#define GNSS_SDR_GPS_EPHEMERIS_H
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#include "gnss_ephemeris.h"
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#include <boost/serialization/nvp.hpp>
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#include <cstdint>
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#include <map>
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#include <string>
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/** \addtogroup Core
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* \{ */
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/** \addtogroup System_Parameters
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* \{ */
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/*!
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* \brief This class is a storage and orbital model functions for the GPS SV
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* ephemeris data as described in IS-GPS-200M
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*
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* See https://www.gps.gov/technical/icwg/IS-GPS-200M.pdf Appendix II
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*/
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class Gps_Ephemeris : public Gnss_Ephemeris
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{
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public:
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/*!
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* Default constructor
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*/
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Gps_Ephemeris();
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int32_t code_on_L2{}; //!< If 1, P code ON in L2; if 2, C/A code ON in L2;
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bool L2_P_data_flag{}; //!< When true, indicates that the NAV data stream was commanded OFF on the P-code of the L2 channel
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int32_t SV_accuracy{}; //!< User Range Accuracy (URA) index of the SV (reference paragraph 6.2.1) for the standard positioning service user (Ref 20.3.3.3.1.3 IS-GPS-200M)
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int32_t SV_health{}; //!< Satellite heath status
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double TGD{}; //!< Estimated Group Delay Differential: L1-L2 correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
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int32_t IODC{}; //!< Issue of Data, Clock
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int32_t IODE_SF2{}; //!< Issue of Data, Ephemeris (IODE), subframe 2
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int32_t IODE_SF3{}; //!< Issue of Data, Ephemeris (IODE), subframe 3
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int32_t AODO{}; //!< Age of Data Offset (AODO) term for the navigation message correction table (NMCT) contained in subframe 4 (reference paragraph 20.3.3.5.1.9) [s]
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bool fit_interval_flag{}; //!< indicates the curve-fit interval used by the CS (Block II/IIA/IIR/IIR-M/IIF) and SS (Block IIIA) in determining the ephemeris parameters, as follows: 0 = 4 hours, 1 = greater than 4 hours.
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double spare1{};
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double spare2{};
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// Flags
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/*! \brief If true, enhanced level of integrity assurance.
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*
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* If false, indicates that the conveying signal is provided with the legacy level of integrity assurance.
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* That is, the probability that the instantaneous URE of the conveying signal exceeds 4.42 times the upper bound
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* value of the current broadcast URA index, for more than 5.2 seconds, without an accompanying alert, is less
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* than 1E-5 per hour. If true, indicates that the conveying signal is provided with an enhanced level of
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* integrity assurance. That is, the probability that the instantaneous URE of the conveying signal exceeds 5.73
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* times the upper bound value of the current broadcast URA index, for more than 5.2 seconds, without an
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* accompanying alert, is less than 1E-8 per hour.
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*/
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bool integrity_status_flag{};
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bool alert_flag{}; //!< If true, indicates that the SV URA may be worse than indicated in d_SV_accuracy, use that SV at our own risk.
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bool antispoofing_flag{}; //!< If true, the AntiSpoofing mode is ON in that SV
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std::map<int, std::string> satelliteBlock; //!< Map that stores to which block the PRN belongs https://www.navcen.uscg.gov/?Do=constellationStatus
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template <class Archive>
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/*!
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* \brief Serialize is a boost standard method to be called by the boost XML
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* serialization. Here is used to save the ephemeris data on disk file.
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*/
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inline void serialize(Archive& archive, const uint32_t version)
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{
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using boost::serialization::make_nvp;
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if (version)
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{
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};
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archive& BOOST_SERIALIZATION_NVP(PRN);
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archive& BOOST_SERIALIZATION_NVP(M_0);
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archive& BOOST_SERIALIZATION_NVP(delta_n);
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archive& BOOST_SERIALIZATION_NVP(ecc);
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archive& BOOST_SERIALIZATION_NVP(sqrtA);
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archive& BOOST_SERIALIZATION_NVP(OMEGA_0);
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archive& BOOST_SERIALIZATION_NVP(i_0);
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archive& BOOST_SERIALIZATION_NVP(omega);
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archive& BOOST_SERIALIZATION_NVP(OMEGAdot);
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archive& BOOST_SERIALIZATION_NVP(idot);
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archive& BOOST_SERIALIZATION_NVP(Cuc);
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archive& BOOST_SERIALIZATION_NVP(Cus);
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archive& BOOST_SERIALIZATION_NVP(Crc);
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archive& BOOST_SERIALIZATION_NVP(Crs);
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archive& BOOST_SERIALIZATION_NVP(Cic);
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archive& BOOST_SERIALIZATION_NVP(Cis);
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archive& BOOST_SERIALIZATION_NVP(toe);
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archive& BOOST_SERIALIZATION_NVP(toc);
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archive& BOOST_SERIALIZATION_NVP(af0);
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archive& BOOST_SERIALIZATION_NVP(af1);
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archive& BOOST_SERIALIZATION_NVP(af2);
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archive& BOOST_SERIALIZATION_NVP(WN);
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archive& BOOST_SERIALIZATION_NVP(tow);
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archive& BOOST_SERIALIZATION_NVP(satClkDrift);
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archive& BOOST_SERIALIZATION_NVP(dtr);
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archive& BOOST_SERIALIZATION_NVP(IODE_SF2);
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archive& BOOST_SERIALIZATION_NVP(IODE_SF3);
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archive& BOOST_SERIALIZATION_NVP(code_on_L2);
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archive& BOOST_SERIALIZATION_NVP(L2_P_data_flag);
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archive& BOOST_SERIALIZATION_NVP(SV_accuracy);
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archive& BOOST_SERIALIZATION_NVP(SV_health);
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archive& BOOST_SERIALIZATION_NVP(TGD);
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archive& BOOST_SERIALIZATION_NVP(IODC);
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archive& BOOST_SERIALIZATION_NVP(AODO);
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archive& BOOST_SERIALIZATION_NVP(fit_interval_flag);
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archive& BOOST_SERIALIZATION_NVP(spare1);
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archive& BOOST_SERIALIZATION_NVP(spare2);
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archive& BOOST_SERIALIZATION_NVP(integrity_status_flag);
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archive& BOOST_SERIALIZATION_NVP(alert_flag);
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archive& BOOST_SERIALIZATION_NVP(antispoofing_flag);
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}
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};
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/** \} */
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/** \} */
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#endif // GNSS_SDR_GPS_EPHEMERIS_H
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